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Non-motor associative learning in patients with isolated degenerative cerebellar disease

DREPPER, J ; TIMMANN, D ; KOLB, F. P ; DIENER, H. C

Brain (London, England : 1878), 1999, Vol.122 (1), p.87-97 [Periódico revisado por pares]

Oxford: Oxford University Press

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  • Título:
    Non-motor associative learning in patients with isolated degenerative cerebellar disease
  • Autor: DREPPER, J ; TIMMANN, D ; KOLB, F. P ; DIENER, H. C
  • Assuntos: Aged ; Association Learning - physiology ; Biological and medical sciences ; Cerebellar Diseases - psychology ; Cognition - physiology ; Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases ; Female ; Humans ; Male ; Medical sciences ; Middle Aged ; Nerve Degeneration - psychology ; Neurology ; Neuropsychological Tests ; Reaction Time - physiology ; Reference Values
  • É parte de: Brain (London, England : 1878), 1999, Vol.122 (1), p.87-97
  • Notas: ObjectType-Article-2
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  • Descrição: In recent decades it has become clear that the cerebellum is involved in associative motor learning, but its exact role in motor learning as such is still controversial. Recently, a contribution of the cerebellum to different cognitive abilities has also been considered, but it remains unclear whether the cerebellum contributes to cognitive associative learning. We compared nine patients with an isolated cerebellar degenerative disease in a cognitive associative learning task with 10 controls. Patients and controls were matched for age, sex, handedness, level of education, intelligence and capabilities of visual memory. The subjects were asked to learn the association between six pairs of colours and numerals by trial and error. Additionally, a simple reaction time and a visual scanning test were conducted in order to control for the influence of motor performance deficits in cerebellar patients. In comparison with the controls, it took the patients significantly longer to learn the correct associations between colours and numerals, and they were impaired in recognizing them later on. Two patients showed no associative learning effect at all. Neither the simple reaction time nor the visual scanning time correlated substantially with the results of associative learning. Therefore, motor-associated disabilities are unlikely to be the reason for the learning deficit in cerebellar patients. Our results suggest that the cerebellum might contribute to motor-independent processes that are generally involved in associative learning.
  • Editor: Oxford: Oxford University Press
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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